Summary of Significant Accounting Policies (Details) (Teucrium Soybean Fund [Member], USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Jul. 06, 2012	Mar. 05, 2012	Mar. 04, 2012	Dec. 31, 2011
Teucrium Soybean Fund [Member]
Creations and Redemptions
Common units per Creation Basket	25,000	25,000		25,000	50,000
Common units per Redemption Basket	25,000	25,000		25,000	50,000
Minimum level of shares per Redemption Basket	50,000	50,000	50,000
Minimum number of Redemption Baskets	2	2	2
Cash Equivalents
Money market funds	$ 2,240,405	$ 2,240,405				$ 2,055,369
Sponsor Fee and Allocation of Expenses
Annual sponsor fee	1.00%	1.00%
Management fees	11,728	17,778
Reduction in expenses due to Sponsor involvement		$ 4,200